- }
-}
-
-
-/**
- * glGetTexImage for color index pixels.
- */
-static void
-get_tex_color_index(GLcontext *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLuint indexBits =
- _mesa_get_format_bits(texImage->TexFormat, GL_TEXTURE_INDEX_SIZE_EXT);
- const GLbitfield transferOps = 0x0;
- GLint img, row, col;
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- GLuint indexRow[MAX_WIDTH] = { 0 };
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
- assert(dest);
-
- if (indexBits == 8) {
- const GLubyte *src = (const GLubyte *) texImage->Data;
- src += width * (img * texImage->Height + row);
- for (col = 0; col < width; col++) {
- indexRow[col] = src[col];
- }
- }
- else if (indexBits == 16) {
- const GLushort *src = (const GLushort *) texImage->Data;
- src += width * (img * texImage->Height + row);
- for (col = 0; col < width; col++) {
- indexRow[col] = src[col];
- }
- }
- else {
- _mesa_problem(ctx, "Color index problem in _mesa_GetTexImage");
- }
- _mesa_pack_index_span(ctx, width, type, dest,
- indexRow, &ctx->Pack, transferOps);
- }